HomeCVE Intelligence › CVE-2026-20223
CVSS 8.0 HIGH 🔴 ACTIVELY EXPLOITED Vulnerability

CVE-2026-20223: Cisco Patches CVSS 10.0 Secure Workload REST API Flaw Enabling Data Access

Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data. Tracked as CVE-2026-20223 (CVSS score: 10.0), th…

8.0CVSS Score
HIGHSeverity
NOCISA KEV
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-20223
VendorThe Hacker News
Affected ProductThreat Intelligence
Vulnerability TypeVulnerability
CVSS Score8.0 (HIGH)
Actively Exploited✅ Yes
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via thehackernews)

🔬 Technical Analysis

Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data. Tracked as CVE-2026-20223 (CVSS score: 10.0), the vulnerability arises from insufficient validation and authentication when accessing REST API endpoints. "An attacker could exploit this vulnerability if they are able to send

📚 Advisory References

⚡ DETECTION RULES AVAILABLE

Get CVE-2026-20223 Detection Pack

Sigma rules, YARA signatures, IOC table, and SIEM queries for Splunk, Elastic, Sentinel, and Chronicle — deployable in 5 minutes.

✓ Sigma Rules ✓ YARA Pack ✓ IOC Table ✓ SIEM Queries
🛡️ Get Detection Pack → 🔌 Access via API →

🔗 Related Intelligence